US6817793B2ExpiredUtilityA1

Media handling device and methods

64
Assignee: HEWLETT PACKARD DEVELOPMENT COPriority: Jan 17, 2003Filed: Jan 17, 2003Granted: Nov 16, 2004
Est. expiryJan 17, 2023(expired)· nominal 20-yr term from priority
B65H 2403/723B65H 2404/1521B65H 2301/423245B65H 3/0684B65H 3/0615
64
PatentIndex Score
8
Cited by
15
References
3
Claims

Abstract

Disclosed herein is a media handling device for handling sheets of media contained in a stack.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
       1. A method of picking media from a stack, said method comprising: 
       providing a pick assembly;  
       providing a transmission;  
       providing a clutch assembly disposed between said pick assembly and said transmission;  
       rotating said transmission;  
       activating said clutch assembly to drivingly engage said transmission to said pick assembly;  
       providing a return spring;  
       storing energy in said return spring during said rotating said transmission;  
       stopping said rotating of said transmission; and  
       after said stopping using said return spring to move said pick assembly out of contact with said stack.  
     
     
       2. The method of  claim 1  wherein said providing said clutch assembly comprises providing a wrap spring defining a diameter; and 
       wherein said activating said clutch assembly comprises reducing said wrap spring diameter.  
     
     
       3. The method of  claim 1  and further comprising: 
       after said activating said clutch, moving said pick assembly into contact with said stack.

Cited by (0)

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References (0)

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